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-rw-r--r--libavformat/adtsenc.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/libavformat/adtsenc.c b/libavformat/adtsenc.c
index ecc8dc4..bab9c14 100644
--- a/libavformat/adtsenc.c
+++ b/libavformat/adtsenc.c
@@ -23,6 +23,7 @@
#include "libavcodec/get_bits.h"
#include "libavcodec/put_bits.h"
#include "libavcodec/avcodec.h"
+#include "libavcodec/mpeg4audio.h"
#include "avformat.h"
#include "adts.h"
@@ -30,11 +31,17 @@ int ff_adts_decode_extradata(AVFormatContext *s, ADTSContext *adts, uint8_t *buf
{
GetBitContext gb;
PutBitContext pb;
+ MPEG4AudioConfig m4ac;
+ int off;
init_get_bits(&gb, buf, size * 8);
- adts->objecttype = get_bits(&gb, 5) - 1;
- adts->sample_rate_index = get_bits(&gb, 4);
- adts->channel_conf = get_bits(&gb, 4);
+ off = ff_mpeg4audio_get_config(&m4ac, buf, size);
+ if (off < 0)
+ return off;
+ skip_bits_long(&gb, off);
+ adts->objecttype = m4ac.object_type - 1;
+ adts->sample_rate_index = m4ac.sampling_index;
+ adts->channel_conf = m4ac.chan_config;
if (adts->objecttype > 3U) {
av_log(s, AV_LOG_ERROR, "MPEG-4 AOT %d is not allowed in ADTS\n", adts->objecttype+1);
@@ -52,10 +59,6 @@ int ff_adts_decode_extradata(AVFormatContext *s, ADTSContext *adts, uint8_t *buf
av_log(s, AV_LOG_ERROR, "Scalable configurations are not allowed in ADTS\n");
return -1;
}
- if (get_bits(&gb, 1)) {
- av_log_missing_feature(s, "Signaled SBR or PS", 0);
- return -1;
- }
if (!adts->channel_conf) {
init_put_bits(&pb, adts->pce_data, MAX_PCE_SIZE);
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